.page-news {
  background: var(--bg);
  color: var(--text);
  --news-gap: clamp(20px, 3.4vw, 44px);
}

.page-news .kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0;
}

/* ===== 首屏 ===== */
.page-news .notes-masthead {
  padding: calc(var(--header-h) + clamp(18px, 4vw, 48px)) 0 clamp(26px, 4vw, 52px);
  border-bottom: 1px solid var(--border);
}

.page-news .notes-masthead__inner {
  display: grid;
  gap: var(--news-gap);
  align-items: end;
}

.page-news .notes-masthead__lead h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.2vw, 76px);
  line-height: 1.04;
  letter-spacing: .02em;
  margin: 12px 0 18px;
}

.page-news .notes-masthead__lead .lede {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.8;
  max-width: 62ch;
}

.page-news .notes-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .notes-stats .stat {
  background: var(--surface);
  padding: 16px 14px;
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-news .stat__value {
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1;
  font-weight: 600;
  color: var(--key);
}

.page-news .stat__label {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--text-dim);
}

/* ===== 筛选带 ===== */
.page-news .notes-filter {
  background: var(--glass-strong);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-strong);
  padding: 14px 0;
}

.page-news .notes-filter__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  align-items: center;
  justify-content: space-between;
}

.page-news .chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .chip {
  font: inherit;
  font-size: 13px;
  line-height: 1;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text-soft);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .chip:hover {
  border-color: var(--key);
  color: var(--text);
}

.page-news .chip[aria-pressed="true"] {
  background: var(--c-turf);
  border-color: var(--c-turf);
  color: var(--c-white);
}

.page-news .chip:focus-visible,
.page-news .tabs__tab:focus-visible,
.page-news .qa__item summary:focus-visible,
.page-news .note-entry__more summary:focus-visible {
  outline: 2px solid var(--c-alert);
  outline-offset: 2px;
}

.page-news .filter-result {
  margin: 0;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--text-dim);
}

/* ===== 章节通用 ===== */
.page-news .notes-section {
  padding: clamp(34px, 6vw, 72px) 0;
  border-top: 1px solid var(--border);
}

.page-news .notes-section:first-child {
  border-top: 0;
}

.page-news .notes-section__head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(22px, 3vw, 38px);
  max-width: 760px;
}

.page-news .notes-section__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(27px, 4.4vw, 50px);
  line-height: 1.06;
  letter-spacing: .02em;
}

.page-news .notes-section__head p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.8;
  max-width: 62ch;
}

.page-news .media-frame {
  margin: 0 0 clamp(24px, 3.4vw, 44px);
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .media-frame__caption {
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
}

/* ===== 双轨条目流 ===== */
.page-news .notes-stream {
  display: grid;
  gap: clamp(26px, 3.6vw, 52px);
}

.page-news .note-entry {
  border-top: 1px solid var(--border-strong);
  padding: clamp(16px, 2.2vw, 26px) 0;
}

.page-news .note-entry:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .note-entry__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  margin-bottom: 10px;
}

.page-news .note-entry__index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-earth);
}

.page-news .note-entry__tag {
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
}

.page-news .note-entry h3 {
  margin: 0 0 8px;
  font-size: clamp(18px, 2.1vw, 25px);
  line-height: 1.34;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-news .note-entry p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.78;
  max-width: 66ch;
}

.page-news .note-entry__more {
  margin-top: 12px;
}

.page-news .note-entry__more summary {
  cursor: pointer;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--key);
}

.page-news .note-entry__facts {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-dim);
  border-left: 2px solid var(--c-turf);
  padding-left: 10px;
  overflow-wrap: anywhere;
}

.page-news .notes-stream__rail {
  display: grid;
  align-content: start;
}

.page-news .rail-title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.page-news .rail-item {
  padding: 14px 0 14px 14px;
  border-left: 2px solid var(--c-earth);
  border-bottom: 1px solid var(--border);
}

.page-news .rail-item__index {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.page-news .rail-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-soft);
}

/* ===== 版本与说明 ===== */
.page-news .notes-version-grid {
  display: grid;
  gap: var(--news-gap);
  align-items: start;
}

.page-news .notes-version-grid .media-frame {
  margin-bottom: 0;
}

/* ===== 连载专题 ===== */
.page-news .notes-series {
  padding: clamp(38px, 6.6vw, 92px) 0;
  border-top: 1px solid var(--border);
  background: var(--bg-band);
}

.page-news .notes-series__title {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(32px, 7vw, 88px);
  line-height: 1.04;
  letter-spacing: .02em;
}

.page-news .notes-series__lede {
  margin: 0 0 clamp(24px, 3.4vw, 44px);
  max-width: 60ch;
  color: var(--text-soft);
  line-height: 1.8;
}

.page-news .series-tabs {
  margin-top: clamp(22px, 3.4vw, 40px);
}

.page-news .series-tabs__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-strong);
}

.page-news .tabs__tab {
  font: inherit;
  font-size: 13px;
  letter-spacing: .04em;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .tabs__tab[aria-selected="true"] {
  background: var(--surface);
  border-color: var(--key);
  color: var(--text);
}

.page-news .tabs__panel {
  padding-top: clamp(20px, 3vw, 36px);
}

.page-news .series-meta {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-dim);
  margin-bottom: 10px;
}

.page-news .tabs__panel h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(25px, 4.6vw, 56px);
  line-height: 1.06;
  letter-spacing: .01em;
  max-width: 20ch;
}

.page-news .tabs__panel p {
  margin: 0;
  max-width: 62ch;
  line-height: 1.82;
  color: var(--text-soft);
}

/* ===== 读者提问 ===== */
.page-news .notes-ask {
  padding: clamp(38px, 6.6vw, 92px) 0;
  border-top: 1px solid var(--border);
}

.page-news .notes-ask__grid {
  display: grid;
  gap: var(--news-gap);
  align-items: start;
}

.page-news .notes-ask__grid .media-frame {
  margin-bottom: 0;
}

.page-news .qa {
  border-top: 1px solid var(--border-strong);
}

.page-news .qa__item {
  border-bottom: 1px solid var(--border);
}

.page-news .qa__item summary {
  display: flex;
  gap: 12px;
  list-style: none;
  cursor: pointer;
  padding: 15px 0;
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 600;
  line-height: 1.5;
}

.page-news .qa__item summary::-webkit-details-marker {
  display: none;
}

.page-news .qa__item summary::before {
  content: "Q";
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--key);
  flex: 0 0 auto;
}

.page-news .qa__item p {
  margin: 0 0 18px 26px;
  color: var(--text-soft);
  line-height: 1.82;
  max-width: 64ch;
}

.page-news .qa__item p a,
.page-news .notes-next__links a {
  color: var(--key);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== 章节索引 ===== */
.page-news .notes-next {
  padding: clamp(34px, 5vw, 72px) 0;
  border-top: 2px solid var(--c-earth);
  background: var(--surface);
}

.page-news .notes-next h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.1;
  letter-spacing: .02em;
}

.page-news .notes-next__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
}

.page-news .notes-next__list li {
  border-top: 1px solid var(--border);
}

.page-news .notes-next__list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 2px;
  color: var(--text);
  text-decoration: none;
  font-size: 15px;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-news .notes-next__list a:hover {
  color: var(--key);
  padding-left: 8px;
}

.page-news .notes-next__list .mono {
  color: var(--text-dim);
  font-size: 12px;
}

.page-news .notes-next__links {
  margin: 24px 0 0;
  max-width: 70ch;
  color: var(--text-soft);
  line-height: 1.85;
}

/* ===== 响应式 ===== */
@media (min-width: 700px) {
  .page-news .notes-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 44px);
  }
}

@media (min-width: 960px) {
  .page-news .notes-masthead__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-news .notes-version-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }

  .page-news .notes-ask__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

@media (min-width: 1060px) {
  .page-news .notes-stream {
    grid-template-columns: minmax(0, 1.95fr) minmax(0, 1fr);
  }

  .page-news .notes-stream__rail {
    border-top: 1px solid var(--border-strong);
    padding-top: 4px;
  }
}

@media (max-width: 520px) {
  .page-news .notes-stats {
    grid-template-columns: 1fr;
  }

  .page-news .notes-stats .stat {
    padding: 12px 14px;
  }

  .page-news .note-entry__facts {
    font-size: 11.5px;
  }
}